How old do you have to be to fly from Washington, D.C. to London Southend Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to London Southend Airport.

What documentation or ID do you need to fly to London Southend Airport?

The travel and health documents you'll need for your trip to London Southend Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Southend Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£232 Cheap Flights from Washington, D.C. to London Southend Airport in 2026

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Find the cheapest flights from Washington, D.C. to London

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:55 - 12:50

IAD

SEN

22h 55m

2 stops

18:05 - 16:50

SEN

IAD

26h 45m

2 stops

£499Multiple Airlines

Thu, 19 Mar - Sun, 22 Mar

19:40 - 17:15

BWI

SEN

16h 35m

2 stops

17:25 - 18:40

SEN

BWI

30h 15m

2 stops

£642Multiple Airlines

Wed, 18 Feb - Sun, 22 Feb

17:05 - 14:50

IAD

SEN

16h 45m

2 stops

06:40 - 19:30

SEN

IAD

17h 50m

2 stops

£671Multiple Airlines

Sun, 1 Mar - Fri, 6 Mar

18:00 - 12:50

IAD

SEN

13h 50m

2 stops

07:15 - 20:26

SEN

IAD

18h 11m

2 stops

£688Multiple Airlines

Thu, 26 Feb - Mon, 2 Mar

20:30 - 20:50

IAD

SEN

19h 20m

2 stops

07:10 - 17:15

SEN

IAD

15h 05m

2 stops

£801Multiple Airlines

Sat, 28 Feb - Wed, 4 Mar

18:50 - 20:10

DCA

SEN

20h 20m

3 stops

07:15 - 18:05

SEN

DCA

15h 50m

2 stops

£814Multiple Airlines

Sat, 21 Feb - Sat, 28 Feb

18:05 - 10:00

IAD

SEN

10h 55m

1 stop

06:40 - 20:30

SEN

IAD

17h 50m

2 stops

£828Multiple Airlines

Fri, 6 Mar - Fri, 13 Mar

17:15 - 15:10

IAD

SEN

16h 55m

2 stops

17:30 - 19:00

SEN

IAD

30h 30m

3 stops

£881Multiple Airlines

Sat, 20 Jun - Sun, 5 Jul

18:05 - 10:00

IAD

SEN

10h 55m

1 stop

06:40 - 17:05

SEN

IAD

14h 25m

1 stop

£922Multiple Airlines

Fri, 6 Mar - Fri, 13 Mar

19:50 - 12:50

IAD

SEN

13h 00m

1 stop

10:10 - 19:35

SEN

IAD

14h 25m

1 stop

£1,495Multiple Airlines

Thu, 26 Mar - Thu, 2 Apr

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Thu 19/3

09:55-12:50

2 stops22h 55m

London Southend

Sun 22/3

18:05-16:50

2 stops26h 45m

£499

BaltimoreLondon

BWI - SEN

BWISEN

Baltimore/Washington

Wed 18/2

19:40-17:15

2 stops16h 35m

London Southend

Sun 22/2

17:25-18:40

2 stops30h 15m

£642

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sun 1/3

17:05-14:50

2 stops16h 45m

London Southend

Fri 6/3

06:40-19:30

2 stops17h 50m

£671

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Thu 26/2

18:00-12:50

2 stops13h 50m

London Southend

Mon 2/3

07:15-20:26

2 stops18h 11m

£688

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sat 28/2

20:30-20:50

2 stops19h 20m

London Southend

Wed 4/3

07:10-17:15

2 stops15h 05m

£801

Washington, D.C.London

DCA - SEN

DCASEN

Washington, D.C. Reagan-National

Sat 21/2

18:50-20:10

3 stops20h 20m

London Southend

Sat 28/2

07:15-18:05

2 stops15h 50m

£814

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Fri 6/3

18:05-10:00

1 stop10h 55m

London Southend

Fri 13/3

06:40-20:30

2 stops17h 50m

£828

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sat 20/6

17:15-15:10

2 stops16h 55m

London Southend

Sun 5/7

17:30-19:00

3 stops30h 30m

£881

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Fri 6/3

18:05-10:00

1 stop10h 55m

London Southend

Fri 13/3

06:40-17:05

1 stop14h 25m

£922

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Thu 26/3

19:50-12:50

1 stop13h 00m

London Southend

Thu 2/4

10:10-19:35

1 stop14h 25m

£1,495

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to London Southend Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to London Southend Airport?

Flight times from Washington, D.C. to London Southend Airport vary, but if you’re flying out of Baltimore and flying into London Heathrow Airport (one of the most popular routes), then the duration is 7h 05m on average. Another popular route from Washington, D.C. to London Southend Airport is flying from Washington, D.C. to London Heathrow Airport, which will take roughly 8h 05m. Keep in mind that layovers or delays could extend your travel time.

When to book flights from Washington, D.C. to London Southend Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to London Southend Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Washington, D.C. to London Southend Airport (WAS to SEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to London Southend Airport

Fastest flight time	16h 15m
Direct flights	None

The fastest flight from Washington, D.C. to London Southend Airport takes 16h 15m

There are no direct flights from Washington, D.C. to London Southend Airport. There are no popular flight routes from Washington, D.C. to London Southend Airport.

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How far is Washington, D.C. to London Southend by plane?
A flight from Washington, D.C. to London Southend will travel around 3694.1 mi. By plane, this route typically takes 16h 15m.
When did momondo last update prices for flights from Washington, D.C. to London Southend Airport?
Prices for flights from Washington, D.C. to London Southend Airport are updated daily.
How old do you have to be to fly from Washington, D.C. to London Southend Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to London Southend Airport.
What documentation or ID do you need to fly to London Southend Airport?
The travel and health documents you'll need for your trip to London Southend Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Southend Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Eastbourne

Milton Keynes

Luton

Gatwick

Slough

Maidstone

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Wembley

Dover

Folkestone

Colchester

Bedford

Worthing

Ramsgate

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momondo does allow users to show only those flights to London from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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